The Laketown plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.
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Showers likely
69° on Nov. 13, 1999, the hottest reading for this week of the year since 1971. Next is 66° in 1990.
Laketown’s center stands about 1,000 ft above sea level. Within three miles the land runs from 930 ft to 1,220 ft, a difference of 290 ft: rolling country.
Under the town center the state geologic map shows Chengwatana Volcanic Group (basalt), from the Mesoproterozoic, 1 to 1.6 billion years old.
The section below crosses 2 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 32×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Basalt. Age: Mesoproterozoic, 1 to 1.6 billion years old. About 12 mi of the line.
Sandstone. Age: Cambrian, 487 to 542 million years old. About 12 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale.
Heights from Copernicus GLO-90 (a surface model: it includes buildings and tree canopy); summits from USGS GNIS; rivers from USGS NHDPlus HR; rock from the USGS State Geologic Map Compilation.
A raindrop that lands in Laketown reaches the Gulf of America by way of Wolf Creek, the Saint Croix and the Mississippi: about 1,860 river miles.
Lakes on the way: Lake Pepin and Lake Mallalieu 175.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Laketown; river miles along the main stem, rounded.
Laketown has a warm-summer humid continental climate. Summer afternoons average 81° in July; winter nights fall to about 5° in January. A normal year brings about 61 inches of snow; with the rain, that comes to about 33 inches of water.
On November 14 Laketown normally reaches 41° and falls to 26°. The record high is 66°, in 1999; the record low 5°, in 1996. The most rain on this date, 0.50 in, fell in 2010.
Normals 1991–2020 and records since 1971 at Luck, 6 miles east-southeast, 220 ft higher. NOAA, through RCC-ACIS.
